Reeti Fashions Yellow Gold Glass Stone Traditional Mangalsutra With Earrings. (RF18_6A_11) The Indian traditional mangalsutra is 15 cm long. The diameter centerpiece of the mangalsutra is 3 cm. Avoid storing them with other jewelry. Refrain from spraying any chemical like body sprays, does, and perfumes on it. Avoid using water to clean the jewelry; it often leads to the metals oxidation.